BLACKOUT STOPLIGHTS DO NOT OPERATE - continued

TM 10-3930-673-20-1

19. BLACKOUT STOPLIGHTS DO NOT OPERATE (CONT).

KNOWN INFO

TEST OPTIONS

Bulbs OK.

Continuity test.

Is continuity present between

Connector P2 OK.

STE/ICE-R #88.

Connector J2 OK.

circuit breaker CB6 and

REASON FOR QUESTION

Circuit breaker CB6 OK.

connector J2?

If continuity is not present, repair

Wire 1 OK.

wire 9 or connector J2

Run relay OK.

(Para 8-48).

Wire 3 OK.

Circuit breaker CB4 OK.

Wire 40 OK.

Wire 41 OK.

Brake switch OK.

Blackout light switch OK.

Wire 42 OK.

Wire 44 OK.

Connector J1 OK.

Repair wire 9 or

Connector P1 OK.

connector J2

Socket(s) OK.

(Para 8-48).

POSSIBLE PROBLEMS

YES

Wire 9 faulty.

Connector J2 faulty.

Service or replace

battery (Para 8-42).

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